7. A chain with speed 800 fpm has driving sprocket turns at 900 rpm. If the pitch of chain is ¾ in, find the number of teeth of driving sprocket.
A sample of 100 Grade 9 students’ ages was obtained to estimate the mean age of all Grade 9 students. =16 years and the population variance is 16.1.) What is the point estimate for ?
2.) Find the 95% confidence interval for .
3.) Find the 99% confidence interval for .
4.) What conclusions can you make based on each estimate?
Think of a good or service you might like to provide to your community. Then, describe how you would supply the good or service. How would you go about estimating demand for your good or service? Evaluate whether there would be enough demand for there to be a “market” for your good or service.
The vapor pressures of pure toluene and pure benzene at 25°C are 13.5 and 95.2 mmHg, respectively. A solution is prepared in which the mole fractions of toluene and benzene are 0.4 and 0.6, respectively. What are the partial pressures of the benzene and toluene above this solution? What is the total pressure of the solution?
What are the two main types of asset price bubbles? Discuss some of the policy responses
to possible bubbles.
Explain the dynamics of financial crisis.
What is inflation targeting? Elaborate its usefulness in the short-run and the medium-run.
Since the effects of policy are uncertain, more active policies lead to more uncertainty.
Explain this statement in the context of using monetary policy as a tool to expand output
during recession.
What is inflation targeting? How the target inflation rate can be achieved by central banks
using Tylore rule?
“Inflation is always and everywhere a monetary phenomenon”. Discuss.